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Finding the Fourth Proportional to 339,737.40, 509,606.10 and 293,081.40

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Solution

The fourth proportional to 339,737.40, 509,606.10 and 293,081.40 is: 439,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,737.40 : 509,606.10 = 293,081.40 : x
  2. Step 2: Convert to fraction form
    339,737.40/509,606.10 = 293,081.40/x
  3. Step 3: Cross multiply
    339,737.40x = 509,606.10 × 293,081.40
  4. Step 4: Simplify right side
    339,737.40x = 149,356,069,236.54
  5. Step 5: Solve for x
    x = 149,356,069,236.54/339,737.40
  6. Step 6: Final answer
    x = 439,622.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.